250HP 3600RPM 449TS - Three Phase

DESCRIPTION: 

Our 3 phase T-frame motors are suitable for all general purpose applications as well as many special purpose applications where heavy duty, all cast iron premium quality motors are required. Our 3-phase T-frame motors feature high starting torques and high break down torques as well as 1.15 service factors for severe applications. Most general purpose T-frame motors are suitable for inverter duty applications as well as operation in both 60Hz and 50Hz applications. All ratings are totally enclosed fan cooled. If you need a reliable well made motor with a iron-clad warranty, this is the motor for you.

Features of the EM250-36-449TS Three Phase T-frame Motor

• Meets or exceeds NEMA Premium® Efficiency Requirements defined by NEMA MG-1, Table 12-12
• Class I, Div II Groups ABCD, T2B
• Suitable for wye-delta start on 213T frame and above
• Dual voltage ratings suitable for part wind start on lower voltage
• Single voltage ratings suitable for part wind start at 460V are noted
• 1.15 Service Factor @ 60 hertz; 1.0 Service Factor @ 50 hertz
• Suitable for 575V @ 1.0 Service Factor
• Inverter Duty (20:1 variable torque; 10:1 constant torque)
• Vacuum Pressure Impregnation for all windings
• Sealed bearings thru 215T frame
• Greasable bearings 254T frame and above
• Mechanical “V” Seal on drive end
• Class F insulation system, class B rise at full load
• 40° C ambient continuous duty
• Corrosion resistant paint
• Stainless steel nameplate and zinc plated hardware
• F1/F2 reversible
• Feet are dual drilled on most frames for mounting flexibility
• Cast iron frame construction including the conduit box
• C-Flange and D-Flange field conversion kits available
• Lifting provisions on 143T frame and above
• Condensation drains with plastic plugs
• IP55 Protection – Terminal box is sealed for IP66 protection
• CSA + C + US Certification
• ISO 9001 Certification

SPECIFICATIONS:

Horsepower: 250HP

RPM: 3600RPM

Phase: Three-Phase

Frequency: 60/50 HZ*

Voltage: 460

Frame Size: 449TS

Enclosure Type: TEFC

Degree of Protection: IP55

Service Factor: 1.15

Insulation Class: Class F

FL Efficiency (%): 95.8

Approximate Weight: 2200

Mounting Type: Rigid Base